
Caption
Visitor group at the entrance to the Nachtigallstollen, tour guide, GeoRoute Ruhr, Dünkelberg quarry, in the Muttental valley, here you can see the geology of the region, a thin coal seam is visible, underneath were thicker layers of coal that were mined, Witten, North Rhine-Westphalia, Germany, Europe
Date
Apr 13, 2022
Credit line
Photo12/imageBROKER/Jochen Tack
Reference
BRK24G44_388
Model release
No
Property release
No
License type
Rights managed
Available size
118,8Mb (4,6Mb) / 26,3in x 17,5in / 7889 x 5262 (300dpi)